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SAW filter terminal impedances

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ezbentley

ezbentley

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I have a questions about SAW filters.

I know from my filter course that passive filters(LC, RC...) require specific source and load impedances, usually 50ohm, to function properly. Otherwise their characteristics will show considerable ripples or not function at all. Is it the same for SAW filters? The spec sheet mentions "terminating load and source impedances" that the manufacturer used to characterize the device. Do I have to match the source and load impedances to those that are listed on the spec sheet?

Thanks
 

You should use the same source and load impedance that the manufacturer specifies.
 

    ezbentley

    ezbentley

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